81199363

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 94694400

約数和(自身を除く): 13495037

約数列:

[1, 7, 71, 199, 497, 821, 1393, 5747, 14129, 58291, 98903, 163379, 408037, 1143653, 11599909, 81199363]

約数ペア:

[(1, 81199363), (7, 11599909), (71, 1143653), (199, 408037), (497, 163379), (821, 98903), (1393, 58291), (5747, 14129)]